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Wave files are therefore a restricted sub-set of RIFF (restricted in that Wave files must contain audio data), and BWF files are wave files with additional restrictions and additions. BWF files are based on the Microsoft Wave File format, which itself is one type of file specified in "Resource Interchange File Format" (RIFF), developed by Microsoft and IBM. The European Broadcasting Union (EBU) developed the BWF specification to facilitate the exchange of audio material between different broadcast environments and equipment based on different computer platforms. Characters are each 1 byte long.I did some digging around, and found the following. The header of a WAV (RIFF) file is 44 bytes long and has the following format: Positions a “data” chunk - contains the actual sample data.a “fmt” chunk - specifies the data format.A WAVE file has a single “WAVE” chunk which consists of two sub-chunks: The WAVE file format, being a subset of Microsoft’s RIFF specification, starts with a file header followed by a sequence of data chunks. If you have to share anything about WAV or Audio file formats, you can post your findings in Audio File Format News section for people to remain up to date. You can become a contributor at to keep the file format community up to date with your findings. There are several APIs and applications available that can convert WAV files to other popular audio file formats. However, WAV files can be compressed using Audio Compression Manager (ACM) codecs. Wave files are larger in size as compared to new audio file formats such as MP3 which uses lossy compression to reduce the file size while maintaining the same audio quality. It has been and is one of the standard format for audio CDs. The format doesn’t apply any compression to the bitstream and stores the audio recordings with different sampling rates and bitrates. WAV, known for WAVE (Waveform Audio File Format), is a subset of Microsoft’s Resource Interchange File Format (RIFF) specification for storing digital audio files.
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